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- Any linkage which contains a screw pair, for example, is a spatial mechanism, since the relative motion within a screw pair is helical. 凡带有如螺旋副之类的连杆都是一个空间机构,因为螺旋副的相对运动是螺旋运动。
- Based on discussion of the screw hoist with moving screw pair and the screw hoist with rolling screw pait,a new type of ball screw hoist is introduced in the paper. 讨论了滑动螺旋副和滚动螺旋副螺杆式启闭机的特点及不足，介绍了一种新型滚珠螺杆式启闭机。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- Don't mix up this pair of synonyms. 别把这两个近义词混淆了。
- He wears an oily old pair of jeans. 他穿着一条沾满油污的旧牛仔裤。
- This pair of scales is not in equilibrium. 这个天平不平衡。
- This pair of trousers is too tight for me. 这条裤子我穿太紧了。
- The taste of the lemon made her screw up her face. 柠檬把她酸得龇牙咧嘴。
- She splashed out on a new pair of shoes. 她心血来潮买了一双新鞋。
- The newly married couple are really a happy pair. 那对新婚夫妇真是快乐的一对。
- Does this lid screw on, or does one press it down? 这个盖子是拧的还是按的?
- Turn the screw to the right to tighten it. 将螺钉向右旋紧。
- I have two pairs of swimming trunks. 我有两条游泳裤。
- They tried to screw money out of me. 他们试图勒索我的钱。
- Billy has a pair of new trousers. 比利有一条新的裤子。
- At each turn the screw goes in further. 每一次旋转都使螺丝钉更向里进。
- A new pair of shoes wouldn't come amiss. 新鞋不会不称心的。
